CVE-2024-26306 Information disclosure in n/a

Medium 5.9 Published 13 May 2024 Updated 3 Nov 2025

An attacker can recover credential plaintext via a timing side channel in RSA decryption when iPerf3 uses OpenSSL with RSA authentication.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2024-26306?

CVE-2024-26306 is a medium-severity vulnerability in Netapp Bootstrap Os, published on 13 May 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

iPerf3 before 3.17, when used with OpenSSL before 3.2.0 as a server with RSA authentication, allows a timing side channel in RSA decryption operations. This side channel could be sufficient for an attacker to recover credential plaintext. It requires the attacker to send a large number of messages for decryption, as described in "Everlasting ROBOT: the Marvin Attack" by Hubert Kario.

Weakness: CWE-385

Which versions are affected by CVE-2024-26306?

It affects 2 products.

Linux distribution packages (5)

`iperf` SUSE:Enterprise Storage 7.1	All versions	`3.17.1-150000.3.9.1`
`iperf` SUSE:Linux Enterprise Module for Package Hub 15 SP5	All versions	`3.17.1-150000.3.9.1`
`iperf` SUSE:Linux Enterprise Module for Package Hub 15 SP6	All versions	`3.17.1-150000.3.9.1`
`iperf` openSUSE:Leap 15.5	All versions	`3.17.1-150000.3.9.1`
`iperf` openSUSE:Leap 15.6	All versions	`3.17.1-150000.3.9.1`

Products include Es Iperf3, Netapp Bootstrap Os.

How do I fix CVE-2024-26306?

Upgrade to a fixed version.

Is CVE-2024-26306 being exploited?

There is no known exploitation of CVE-2024-26306 in the wild and no public exploit code.

All Netapp Bootstrap Os vulnerabilities

Sources

Also known as AZL-40537, AZL-40658, BELL-CVE-2024-26306, CLSA-2026-1779373661, DEBIAN-CVE-2024-26306, GHSA-x8qh-8j65-v4j9 and 9 more.